48. Does Multitasking Degrade Performance? The journal Computers and Education reported that multitasking during class may degrade student performance on assessments.¹² Students were randomly assigned into two groups: multitaskers and non-multitaskers. The multitaskers have their laptops open during class, doing things such as surfing Facebook and so forth. The following table provides the summary statistics for a class quiz for the two groups. Test whether the population mean score for the multitaskers is lower than that of the non-multitaskers, using level of significance .